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Explain concept of Counter Bore and countersink in radial drilling machine
Counter Bore :-
This operation uses a pilot to guide the cutting action to accommodate the heads =of bolts. Fig. 10 illustrates the counter boring, countersunk and spot facing processes.
Countersink:-
Special angled cone shaped enlargement at the end of the hole to accommodate the screws. Cone angles of 60°, 82°, 90°, 100°, 110°, 120°
truss is shown in the following figure. Compute the horizontal deflection of joint D produced by both the load and fabrication error (bar AE is 40mm too long). For all bars, area A
Firecracker Welding This is a semi automatic version of SMAW. A specially designed heavy - coated electrode, which can be of any length upto 2 m, is laid on the seam of a groo
Jib crane Mechanism: Sol.: Jib crane is taken in use to raise heavy loads. A load W is lifted up by pulling the chain through pulley D as shown in the adjacent figure.
Parts of Aircraft The main parts of an aircraft are (Figure): (a) Engine, which propels the aircraft; the aircraft may have jet engines or propeller driving engines. (b
hiw can i fix the maximum temp of the aluminium
CAPP for Casting and Welding In this , we have studied the CAPP systems for Casting and Welding processes. Compared to the traditional (manual) process planning methods, CAPP
Q. Describe Organic binders and its working? Organic binders: The binders are most frequently used in core making. Cereal binders are obtained from wheat, corn or rye; resins
Q. Categorization of Geometric models? Modern CAD systems define objects in 3-D. Thus, the designer can construct 3-D model of objects conveniently and store the database of th
what is clapper box
Determine the bending (o-, ) and shear stress ( Tx), ) at the surface element shown on the solid circular shaft below. Use Mohr's circle to determine the principle stresses, a l
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